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johnson messenger 223 frequency adjust

Discussion in 'CB and Export Equipment and Accessories' started by fancy pants, Mar 14, 2011.

  1. JustinDePolis

    JustinDePolis BANNED

    May 20, 2009
    Likes Received:
    I LOVE the 223's. I have rebuild tons of them and owned over 20 or so. The grid leak mod is good advice, although I didn't use the same value, but the end result is the same. I also would so some mods in the final output section and modulator section as well.

    If you need a 32.9 rock, lemme know. I am sure I have a few that are good I can send to ya, free of charge. PM me if interested.

    As far as expanding the channels, you can, buy why? It is a pain, there is no way to do it other than a external VFO or changing crystals. Even then, with the above mentioned mods, I would usually just restore them, and most of the older radios I have owned back to factory specs for the purpose of nostalgia and call it a day.


  2. Dirty Diaper

    Dirty Diaper Member

    Aug 23, 2010
    Likes Received:
    Hello---Justin' Time.

    JustinDePolis, killowatt21@aol.com, send contact info, I would like to ask your advice on a Johnson. Thanks, JT
  3. Zman

    Zman K9FON

    Nov 26, 2009
    Likes Received:
    Ken is an oddball to deal with on the phone and hes just as bad in person as he is on the phone.. I only order from them if i REALLY REALLY need a part. They also don't like to take debit cards and credit cards when you go to their shop in person. I found that out the hard way! They are VERY old school about a lot of things..:headbang
  4. Bert Coker

    Bert Coker New Member

    Nov 23, 2020
    Likes Received:
    I have the same problem with my 223. 17,18,19 and 20 are dead. Also9,10,11 and 12 are out. If 17-20 are a 32.90 crystal what would be the 9-12 ? Did we decide Ken's would be the best place to buy? Thanks for the help! Bert
  5. Dmans

    Dmans Sr. Member

    Jan 22, 2017
    Likes Received:
    Check the attachment. Courtesy of Lou Franklin's website.



    Attached Files:

    tecnicoloco likes this.
  6. Van Lifeson

    Van Lifeson Well-Known Member

    Aug 11, 2018
    Likes Received:
    What is the grid leak resistor and where is it?
  7. tramd

    tramd Active Member

    Jul 17, 2009
    Likes Received:
    Just happened across this thread and I see no one answered your question. If you are using the original schematics, that resistor is R22 and if using a SAMS CB-23 schematic it is R44. It is on the grid (PIn 2) of the 12AT7 mic amp tube. It's a 4.7 meg resistor.
    tecnicoloco and Slowmover like this.

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